<!-- eslint-disable quote-props -->
<!-- eslint-disable quote-props -->
<template>
  <el-container class="home_container">
    <!-- 头部 -->
    <el-header>
      <div>
        <img src="../assets/heima.png" alt="logo">
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 页面主体 -->
    <el-container>
      <!-- 页面边栏 -->
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <!-- 侧边栏菜单 -->
        <el-menu background-color="#333744" text-color="#fff" active-text-color="#409eff" unique-opened
          :collapse="isCollapse" :collapse-transition="false" router
          :default-active="activePath">
          <!-- 一级菜单 -->
          <el-submenu v-for="item in menuList" :index="item.id+''" :key="item.id">
            <!-- 一级菜单模板区 -->
            <template slot="title">
              <!-- icon -->
              <i :class="iconsObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item :index="'/'+Subitems.path" v-for="Subitems in item.children" :key="Subitems.id"
              @click="saveNavState('/'+Subitems.path)">
              <!-- icon -->
              <i class="el-icon-menu"></i>
              <!-- 文本 -->
              <span>{{Subitems.authName}}</span>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 页面右边的主体 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  name: 'Home',
  data () {
    return {
      menuList: [],
      iconsObj: {
        // eslint-disable-next-line quote-props
        '125': 'iconfont icon-user',
        // eslint-disable-next-line quote-props
        '103': 'iconfont icon-tijikongjian',
        // eslint-disable-next-line quote-props
        '101': 'iconfont icon-shangpin',
        // eslint-disable-next-line quote-props
        '102': 'iconfont icon-danju',
        // eslint-disable-next-line quote-props
        '145': 'iconfont icon-baobiao'
      },
      // 默认菜单栏不折叠
      isCollapse: false,
      // 激活的链接地址
      activePath: ''
    }
  },
  created () {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods: {
    // 退出登录
    logout () {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    // 获取左侧菜单项目
    async getMenuList () {
      const { data: res } = await this.$http.get('/menus')
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.menuList = res.data
    },
    // 点击菜单栏折叠与展开
    toggleCollapse () {
      this.isCollapse = !this.isCollapse
    },
    // 保存链接的激活状态
    saveNavState (activePath) {
      window.sessionStorage.setItem('activePath', activePath)
      this.activePath = activePath
    }
  }
}
</script>

<style lang="less" scoped>

.el-header {
  background-color: #373d41;
}

.el-aside {
  background-color: #333744;
  .el-menu{
    border: none;
  }
}

.el-main {
  background-color: #eaedf1;
}

.home_container {
  height: 100vh;
}

.el-header {
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;

  >div {
    display: flex;
    align-items: center;

    span {
      padding: 15px;
    }
  }
}
.iconfont{
  margin-right: 10px;
}
// 边栏折叠
.toggle-button{
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  // 字间距
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>
